Jorge O. Rabassa has obtained his PhD in Geology at the Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata. As of 1997, he teaches at the Facultad de Ciencias Económicas of the Universidad Nacional de la Patagonia-San Juan Bosco. He was a Director of the Postgraduate Field course on Geomorphology and Quaternary Geology of Tierra del Fuego from 2003 to 2006. He is a published author (journals, book chapters) and was the founder and head editor of the journal "Quaternary of South America & Antarctic Peninsula" from 1982 to 1999. He has a longstanding relationship with CADIC-CONICET, first acting as Investigador Independiente, then Investigador Principal and currently Investigador Superior.
Cliff Ollier is a geologist, geomorphologist, soil scientist, emeritus professor and honorary research fellow, at the School of Earth and Environment, University of Western Australia. He was formerly at Australian National University, University of New England, Canberra University, University of Papua New Guinea, and University of Melbourne. Throughout his career he was a prolific author, with ten books (translated into four languages) and over 300 papers.